.App {
  text-align: center;
}
.App div{
  border: 1px solid red;;
}

.App-logo {
  height: 40vmin;
  pointer-events: none;
}


@media (prefers-reduced-motion: no-preference) {
  .App-logo {
    animation: App-logo-spin infinite 20s linear;
  }
}
.login{
  background-color: #282c34;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: calc(10px + 2vmin);
  color: white;
}

.App-header {
  background-color: #282c34;
  min-height: 90px;
  display: flex;
  flex-direction: column;
  align-items: start;
  justify-content: center;
  font-size: calc(10px + 2vmin);
  color: white;
}

.App-link {
  color: #61dafb;
}
nav{
  width: 100%;
  clear: both;
}
nav ul>li{
  float:left;
  list-style-type: none;
  padding: 10px;;
}
nav ul>li ul{
  display: none;
}
nav ul>li:hover ul{
  display: block;
  background-color: grey;
  position: absolute;
}
.app-left{
  width: 200px;
  float:left;
  border: 1px solid green;
  min-height: 450px;
}
.app-left li{
  list-style: none;
}
main{
  margin-left: 250px;
  margin-right: 15px;
  border: 1px solid grey;
  min-height: 500px;
}

@keyframes App-logo-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
